# Class TestTracer OptimaJet.Workflow.Core.TestTrace.TestTracer Namespace: [OptimaJet.Workflow.Core.TestTrace](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.TestTrace/) ```csharp public static class TestTracer ``` ## Properties `public static bool Enable { get; set; }` `public static string CurrentTrace { get; }` ## Methods `public static void Clear()` `public static void Reset(Func labelFilter)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `labelFilter` | `Func` | | `public static void Trace(string label)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `label` | `String` | | `public static void Assert(string expected, Func filter = null)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `expected` | `String` | | | `filter` | `Func` | | `public static void Assert(string[] expected, Func filter = null)` ### Parameters | Name | Type | Description | | --- | --- | --- | | `expected` | `String[]` | | | `filter` | `Func` | | [Previous TreeSearchStart](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Subprocess/TreeSearchStart/) [Next AsyncEventHandler](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Utils/AsyncEventHandler-TEventArgs/)